import * as https from 'https';
import * as fs from 'fs';

export interface AIReviewResult {
  success: boolean;
  suggestions: string[];
  refactorPlans: RefactorPlan[];
  issues: CodeIssue[];
}

export interface RefactorPlan {
  type: 'extract_method' | 'rename' | 'optimize';
  description: string;
  location: { startLine: number; endLine: number };
  priority: 'high' | 'medium' | 'low';
}

export interface CodeIssue {
  type: 'bug' | 'smell' | 'performance';
  description: string;
  line: number;
  severity: 'critical' | 'major' | 'minor';
}

export class AIIntegration {
  
  async reviewWithLingma(filePath: string, reviewType: string): Promise<AIReviewResult> {
    const apiKey = process.env.LINGMA_API_KEY;
    if (!apiKey) {
      throw new Error('LINGMA_API_KEY environment variable not set');
    }

    const code = fs.readFileSync(filePath, 'utf-8');
    
    const requestData = {
      code,
      language: 'java',
      reviewType,
      features: ['refactoring', 'java8_optimization', 'code_smell_detection']
    };

    // Lingma API调用实现
    return this.callLingmaAPI(requestData, apiKey);
  }

  async reviewWithTrae(filePath: string, reviewType: string): Promise<AIReviewResult> {
    const apiKey = process.env.TRAE_API_KEY;
    if (!apiKey) {
      throw new Error('TRAE_API_KEY environment variable not set');
    }

    const code = fs.readFileSync(filePath, 'utf-8');
    
    // Trae API调用实现
    return this.callTraeAPI(code, reviewType, apiKey);
  }

  private async callLingmaAPI(data: any, apiKey: string): Promise<AIReviewResult> {
    // 实现Lingma API调用
    return new Promise((resolve, reject) => {
      const postData = JSON.stringify(data);
      
      const options = {
        hostname: 'api.lingma.com', // 假设的API地址
        port: 443,
        path: '/v1/code-review',
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${apiKey}`,
          'Content-Length': Buffer.byteLength(postData)
        }
      };

      const req = https.request(options, (res) => {
        let responseData = '';
        res.on('data', (chunk) => responseData += chunk);
        res.on('end', () => {
          try {
            const result = JSON.parse(responseData);
            resolve(this.parseLingmaResponse(result));
          } catch (error) {
            reject(error);
          }
        });
      });

      req.on('error', reject);
      req.write(postData);
      req.end();
    });
  }

  private async callTraeAPI(code: string, reviewType: string, apiKey: string): Promise<AIReviewResult> {
    // 实现Trae API调用
    // 类似Lingma的实现
    return {
      success: true,
      suggestions: ['Trae建议示例'],
      refactorPlans: [],
      issues: []
    };
  }

  private parseLingmaResponse(response: any): AIReviewResult {
    return {
      success: true,
      suggestions: response.suggestions || [],
      refactorPlans: response.refactorPlans || [],
      issues: response.issues || []
    };
  }
}